3 years ago

Pls help me with my testt

Mathematics

1 answer:

Nitella [24]3 years ago

5 0

Answer:

slope

Step-by-step explanation:

wisusushsheusueueheyehuee

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grigory [225]

1.) 1.47 x 10^4 is the correct answer

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Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x?

vovikov84 [41]

Answer:

$x=\frac{-3\pm\sqrt{(3)^2-4(5)(-4)}}{2(5)}$

Therefore, Option 1 is correct.

Step-by-step explanation:

We have been given the quadratic equation:

$5x^2+3x-4=0$

If we compare it will general quadratic equation which is: $ax^2+bx+c=0$

Here, a=5,b=3 and c= -4.

Now, we will use the formula:

And then $x=\frac{-b\pm\sqrt{D}}{2a}$

Where, $D=b^2-4ac$

$x=\frac{-3\pm\sqrt{(3)^2-4(5)(-4)}}{2(5)}$

Therefore, Option 1 is correct.

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3 years ago

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Allisa [31]

PQRS is an isosceles trapezoid and m < Q=127

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answer
127

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4 years ago

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22. The product of two negative integers is the largest 2-digit number. If one of the numbers

natulia [17]

Answer:

x = -9

Step-by-step explanation:

Let unknown number = x

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x = 99 ÷ (-11)

x = -9

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Step-by-step explanation:

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